function GMTToStr(time){
        const date = new Date(time)
        const year = date.getFullYear()
        const month = date.getMonth() + 1
        const day = date.getDate()
        const hour = date.getHours()
        const minute = date.getMinutes()
        const second = date.getSeconds()

             
        return [year, month, day].map(formatNumber).join('-') + ' ' +[hour,minute, second].map(formatNumber).join(':')  
}
const formatNumber = n => {
        n = n.toString()
        return n[1] ? n : '0' + n
}
module.exports = {
        GMTToStr: GMTToStr
        
        }